Impact of Aspirin Supplementation for Pre-Eclampsia Prevention on Neonatal Outcomes.

Pre-eclampsia negatively affects pregnancy. In 2018, the American College of Obstetricians and Gynecologists (ACOG) updated their low dose aspirin (LDA) supplementation recommendation to include pregnant women at moderate risk for pre-eclampsia. In addition to the potential benefit of LDA supplementation for delaying or preventing pre-eclampsia, LDA supplementation can affect neonatal outcomes. The association of LDA supplementation was studied with six neonatal outcomes in a sample of mostly minority pregnant women from Hispanic and Black race/ethnicities that included those of low, moderate, and high-risk designation for pre-eclampsia. This was a retrospective study of 634 patients. The main predictor variable was maternal LDA supplementation for six neonatal outcomes: NICU admission, neonatal readmission, one- and five-minute Apgar scores, neonatal birth weight (BW), and hospital length of stay (LOS). Demographics, comorbidities, and maternal high-or moderate-risk designation were adjusted for per ACOG guidelines. High-risk designation was associated with neonatal increased rate of NICU admission (OR: 3.80, 95% CI: 2.02, 7.13, p < 0.001), LOS (B = 0.15, SE = 0.04, p < 0.001), and decreased BW (B = -442.10, SE = 75.07, p < 0.001). No significant associations were found with LDA supplementation or moderate-risk designation for NICU admission, readmission, low one- and five-minute Apgar scores, BW, and LOS. Clinicians recommending maternal LDA supplementation should be aware that LDA supplementation did not appear to provide any benefits for the above neonatal outcomes.

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